How do you find the value of X?

Answer: put both equations equal to eachother. then solve
Step-by-step explanation:
6x-8=3x+4
subtract 3x from both sides
3x-8=4 is your new equation
now add 8 to both sides, when you add 8+8 it cancels out.
3x=12 is your new equation
next divide 3 on both sides